//gulpfile.jsconst gulp = require('gulp')const del = require('del')const path = require('path')const autoprefixer = require('gulp-autoprefixer')const htmlmin = require('gulp-htmlmin')const sass = require('gulp-sass')const jsonminify = require('gulp-jsonminify2')const gutil = require('gulp-util')const combiner = require('stream-combiner2');const babel = require('gulp-babel')const uglify = require('gulp-uglify')const rename = require("gulp-rename")const minifycss = require('gulp-minify-css')const runSequence = require('run-sequence')const jsonlint = require("gulp-jsonlint")const plumber = require("gulp-plumber")var colors = gutil.colors;const handleError = function (err) {  console.log('\n')  gutil.log(colors.red('Error!'))  gutil.log('fileName: ' + colors.red(err.fileName))  gutil.log('lineNumber: ' + colors.red(err.lineNumber))  gutil.log('message: ' + err.message)  gutil.log('plugin: ' + colors.yellow(err.plugin))};gulp.task('clean', () => {  return del(['./dist/**'])})gulp.task('watch', () => {  gulp.watch('./src/**/*.json', ['json']);  gulp.watch('./src/assets/**', ['assets']);  gulp.watch('./src/**/*.wxml', ['templates']);  gulp.watch('./src/**/*.wxss', ['wxss']);  gulp.watch('./src/**/*.scss', ['wxss']);  gulp.watch('./src/**/*.js', ['scripts']);});gulp.task('jsonLint', () => {  var combined = combiner.obj([    gulp.src(['./src/**/*.json']),    jsonlint(),    jsonlint.reporter(),    jsonlint.failAfterError()  ]);  combined.on('error', handleError);});gulp.task('json', ['jsonLint'], () => {  return gulp.src('./src/**/*.json')    .pipe(gulp.dest('./dist'))})gulp.task('jsonPro', ['jsonLint'], () => {  return gulp.src('./src/**/*.json')    .pipe(jsonminify())    .pipe(gulp.dest('./dist'))})gulp.task('assets', () => {  return gulp.src('./src/assets/**')    .pipe(gulp.dest('./dist/assets'))})gulp.task('images', () => {  return gulp.src('./src/images/**')    .pipe(gulp.dest('./dist/images'))})gulp.task('templates', () => {  return gulp.src('./src/**/*.wxml')    .pipe(gulp.dest('./dist'))})gulp.task('templatesPro', () => {  return gulp.src('./src/**/*.wxml')    // .pipe(htmlmin({
          //   collapseWhitespace: true,    //   removeComments: true,    //   keepClosingSlash: true    // }))    .pipe(gulp.dest('./dist'))});gulp.task('wxss', () => {  var combined = combiner.obj([    gulp.src(['./src/*.{wxss,scss}', './src/**/*.{wxss,scss}', './src/**/*.{wxss,sass}', '!./src/styles/**']),    sass().on('error', sass.logError),    autoprefixer([      'iOS >= 8',      'Android >= 4.1'    ]),    rename((path) => path.extname = '.wxss'),    gulp.dest('./dist')  ]);  combined.on('error', handleError);});gulp.task('wxssPro', () => {  var combined = combiner.obj([    gulp.src(['./src/**/*.{wxss,sass}', '!./src/styles/**']),    sass().on('error', sass.logError),    autoprefixer([      'iOS >= 8',      'Android >= 4.1'    ]),    minifycss(),    rename((path) => path.extname = '.wxss'),    gulp.dest('./dist')  ]);  combined.on('error', handleError);});gulp.task('scripts', () => {  return gulp.src(['./src/**/*.js', './src/**/**/*.js'])    .pipe(plumber({}, true, function (err) {      console.log('ERROR!!!!');      console.log(err);    }))    .pipe(babel())    .pipe(gulp.dest('./dist'))})gulp.task('scriptsPro', () => {  return gulp.src('./src/**/*.js')    .pipe(plumber({}, true, function (err) {      console.log('ERROR!!!!');      console.log(err);    }))    .pipe(babel())    .pipe(uglify({      compress: true,    }))    .pipe(gulp.dest('./dist'))})gulp.task('dev', ['clean'], () => {  runSequence('json',    'assets',    'templates',    // 'sass',    'images',    'wxss',    'scripts',    'watch');});gulp.task('build', [  'jsonPro',  'assets',  'images',  'templatesPro',  'wxssPro',  'scriptsPro']);gulp.task('pro', ['clean'], () => {  runSequence('build');})复制代码

//编译gulp build//开发gulp dev复制代码